简单随机地穴示例

assets/scripts/randomCave/RandomCaveGenerator.ts

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+import { _decorator, Component, Node } from 'cc';
+const { ccclass, property } = _decorator;
+
+export class RandomCaveGenerator {
+    public columns = 30
+    public rows = 35
+    public data:boolean[] = []
+    private cache:boolean[] = []
+
+    public initRate = 0.5;
+    public init() {
+        for (let i = 0; i < this.columns * this.rows; i++) {
+            this.data[i] = Math.random() < this.initRate;
+        }
+    }
+    public isWall(c: number, r: number) {
+        let idx = c + r * this.columns
+        if (idx < 0 || idx >= this.columns * this.rows)
+            return true
+        return this.data[idx]
+    }
+    public count(c: number, r: number, n: number) {
+        let count = 0;
+        for (let i = -n; i <= n; i++) {
+            for (let j = -n; j <= n; j++) {
+                if (this.isWall(c + i, r + j)) {
+                    count++
+                }
+            }
+        }
+        return count
+    }
+    public setCache(c:number, r:number, b:boolean) {
+        this.cache[c + r * this.columns] = b;
+    }
+    public step() {
+        for (let c = 0; c < this.columns; c++) {
+            for (let r = 0; r < this.rows; r++) {
+                let count = this.count(c, r, 1)
+                let count2 = this.count(c, r, 2)
+                this.setCache(c, r, count >= 5 || count2 <= 2)
+            }
+        }
+        this.data = Array.from(this.cache)
+    }
+}
+
+

assets/scripts/randomCave/RandomCaveGenerator.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "e4eccc10-5bc2-4921-9ab7-69896f59e3bf",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}

assets/scripts/randomCave/randomCaveExample.ts

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+import { _decorator, Color, Component, instantiate, Node, Sprite, v3 } from 'cc';
+import { RandomCaveGenerator } from './RandomCaveGenerator';
+const { ccclass, property } = _decorator;
+
+@ccclass('randomCaveExample')
+export class randomCaveExample extends Component {
+    @property({type:Node})
+    public cell:Node
+    private generator = new RandomCaveGenerator()
+    private nodes:Node[] = []
+    start() {
+        this.generator.init();
+        let startX = -this.generator.columns / 2 * 10
+        let startY = -this.generator.rows / 2 * 10
+        for (let i = 0; i < this.generator.columns; i++) {
+            for (let j = 0; j < this.generator.rows; j++) {
+                let node = instantiate(this.cell);
+                this.node.addChild(node)
+                node.setPosition(v3(i * 10 + startX, j * 10 + startY, 0))
+                if (this.generator.isWall(i, j))
+                node.getComponent(Sprite).color = Color.GRAY
+                this.nodes[i + j * this.generator.rows] = node;
+            }
+        }
+    }
+
+    public randomInit() {
+        this.generator.init();
+        this.apply()
+    }
+
+    public step() {
+        this.generator.step();
+        this.apply()
+    }
+    private apply() {
+        let startX = -this.generator.columns / 2 * 10
+        let startY = -this.generator.rows / 2 * 10
+        for (let i = 0; i < this.generator.columns; i++) {
+            for (let j = 0; j < this.generator.rows; j++) {
+                let node = this.nodes[i + j * this.generator.rows]
+                node.setPosition(v3(i * 10 + startX, j * 10 + startY, 0))
+                node.getComponent(Sprite).color = this.generator.isWall(i, j) ? Color.GRAY: Color.WHITE
+            }
+        }
+    }
+}
+
+

assets/scripts/randomCave/randomCaveExample.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "4a0c2960-68a9-4277-a862-a94646e58a34",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}